Empleos de senior java backend engineer en Madrid

Block Labs is seeking a Go backend engineer to build distributed, transactional backend services across crypto, fintech, and real-money gaming. You will own architectural decisions and be responsible for production behaviour in a high-velocity environment. The role focuses on writing robust Go services, ensuring correctness, and operating the system with...

Emburse seeks a senior software engineer to advance our AI-powered, distributed platform. You will own and deliver software that integrates with microservices, APIs, queues, and containers, while enhancing product quality and maintainability. You will mentor teammates, contribute to architecture, and drive best-practice engineering across projects. Required...

Tecdata busca Senior Scala Backend Developers para unirse a un proyecto internacional en modalidad 100% teletrabajo. Los candidatos participarán en el desarrollo y evolución de una plataforma SaaS empresarial basada en tecnologías Scala y AWS.El rol implica desarrollo backend, diseño de APIs, optimización de consultas SQL, y colaboración en entornos...

Join to apply for theSenior Software Engineer (Python / Backend) ID41787role atAgileEngine .AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in application development and AI/ML, and our people‑first culture has earned us multiple Best...

We power people’s progress.At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact. We’ve just reached unicorn status with a $150M...

Techsoulogy group busca un desarrollador backend PHP para unirse a su equipo en Barcelona. Diseñará y mantendrá herramientas internas, migrando hacia arquitecturas modulares y eficientes, con foco en calidad y rendimiento. Se valorará experiencia en API, MySQL y conocimientos básicos de frontend. Contrato indefinido, modelo híbrido en Barcelona y...

Pearson is seeking a Senior Software Developer to join the English Language Learning division, delivering AI-enabled backend services and scalable APIs. You’ll lead design, implement features, and collaborate with product teams to drive innovation in real-world learning products. The role requires autonomy, strong Python and cloud experience, and a passion...

Trading 212 Ltd. is seeking a Senior Backend Engineer to own end-to-end backend solutions across a microservices landscape. You will design scalable services, ensure performance and data integrity, and collaborate with product and engineering to translate complex requirements into durable systems. You will work with Java 21 (Spring), Go, and Node.js...

Pearson is seeking a highly autonomous Senior Software Developer to design and implement backend components for AI-enabled digital products. You will lead architecture, API design, and deployment of scalable microservices, collaborating with data science teams to operationalize AI models. This role emphasizes ownership, DevOps practices, and adherence to...

Pearson is hiring a Senior Software Developer to design and deliver backend components for AI-enabled educational products. You will work in cross-functional teams to implement scalable services, APIs, and microservices while integrating AI capabilities and maintaining strong technical documentation. The role emphasizes autonomy, ownership, and collaboration...

At adidas, every day is a chance to flip the script. An invitation to take everything we know and re-invent it. Do it better. Never settling for good enough.Every day we get up, invent, adapt, improvise, find new ways to collaborate, and do the unexpected. We’re creators, makers and doers. Helping athletes make a difference, not just in their games, but in...

Incode is seeking a backend engineer to design and implement scalable backend services powering millions of users. You will work across API design, data migrations, and fraud-detection‑oriented features, ensuring performance and reliability. You'll collaborate with DevOps, ML engineers, and product teams, applying robust engineering practices, code...

LeoVegas Group in Málaga is seeking a Senior Backend Engineer to drive the Sportsbook backend architecture. You will collaborate with Staff Engineers, validate architectural decisions, and shape backend solutions, contributing to planning and feature development. You will own and implement scalable microservices, ensure reliability, and work with multiple...

Ebury's FinCore Engineering team seeks a Senior Software Engineer to modernize our FX platform, reduce technical debt, and build high-throughput backend systems. You will lead architecture choices, own delivery from discovery through production, and mentor others across Europe and South America. We value strong domain knowledge in FinTech, excellent English,...

Intellias is partnering with a Fortune 100 Midwest-based industrial manufacturer to modernize cloud-based services and data products used globally. The role is remote from Spain, requiring a 6-hour overlap with US Central Time. You will design, build, and deploy scalable backend services in production, leveraging Scala, Akka/Pekko, AWS, and event-driven...

HCL Technologies Limited is seeking a Backend Developer to strengthen our Spain-based team. You will design and implement backend services, compose APIs, and contribute to CI/CD using Azure DevOps. Proficiency in Maven, JPA/JDBC, and databases is expected, with knowledge of OpenShift and scalable architectures. You should be comfortable with distributed...

Swiss Re, a global leader in reinsurance and risk transfer, seeks a Senior Backend Engineer to shape engineering across backend services, integrations and automation. You will mentor peers, contribute to AI/automation capabilities, and work on scalable solutions within the IT Resilience unit.You will join the SACM team and collaborate across Enterprise data...

Vortech PCI Group S.L. busca un Senior Backend Engineer especializado en .NET para un proyecto internacional en un entorno corporativo.Se enfocará en evolucionar un producto hacia microservicios sobre Azure y trabajar con C# en .NET moderno, arquitectura hexagonal y sistemas distribuidos. El/la candidato/a ideal contará con experiencia en mensajería...

Pearson is seeking an experienced Senior Software Developer to design and deliver backend components for digital learning products. You will partner with product teams to set objectives, define timelines, and implement scalable services with AI integration across cloud environments. This role emphasizes autonomy, ownership, and collaboration within a...

Parser, a boutique technology services firm, seeks a Senior Backend Engineer in Madrid with 5+ years of software engineering experience and strong JVM/Spring Boot expertise. You will design and evolve distributed backend systems powering end-to-end protection lifecycles, including eligibility, quoting, purchase, and servicing, while collaborating across...